CN102476499B - Method for manufacturing composite workpiece with embedded magnetic components - Google Patents
Method for manufacturing composite workpiece with embedded magnetic components Download PDFInfo
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- CN102476499B CN102476499B CN201010558984.7A CN201010558984A CN102476499B CN 102476499 B CN102476499 B CN 102476499B CN 201010558984 A CN201010558984 A CN 201010558984A CN 102476499 B CN102476499 B CN 102476499B
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- nonwoven fabric
- fabric layer
- work piece
- composite material
- magnetic
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- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
A method for manufacturing a composite workpiece with embedded magnetic components includes a stacking step, a hot-pressing step and a magnetizing step. The stacking step includes aligning and stacking a plurality of pre-impregnated woven fabric layers, placing at least one magnetic induction component on the pre-impregnated woven fabric layers and then stacking a plurality of pre-impregnated woven fabric layers on the magnetic induction components. The hot-pressing step includes hot-pressing the pre-impregnated woven fabric layers with the magnetic induction components to form the composite workpiece and embedding the magnetic induction components into the composite workpiece. The magnetizing step includes inducing the magnetic induction components through a magnetic field, magnetizing the magnetic induction components and then changing the magnetic induction components into the magnetic components. By the means, the problem of high-temperature demagnetization can be solved, and expensive high-temperature-resistant magnetic components are no longer needed, so that production cost can be greatly reduced.
Description
Technical field
The present invention relates to a kind of manufacture method of composite material work piece, particularly relate to the manufacture method of burying the composite material work piece of magnet assembly in a kind of.
Background technology
Existing compared with the packing timber of tool texture, luggage case; or the protective sleeve of quite popular tablet PC recently; all by the mode of magnetic clasp location, opening part to be fixed; take protective sleeve as example; in the body of protective sleeve, to be embedded with one first magnetic part; and extend a positioning belt by this body; on this positioning belt to should one the second magnetic part that can inhale mutually with this first magnetic part being set the first magnetic part place; when this second magnetic part is during near this first magnetic part, both just can inhale mutually and reach the effect of the article location in protective sleeve whereby.
Yet, for example, with composite (preimpregnation nonwoven fabric layer), manufacturing in the process of this protective sleeve, prior to being respectively arranged with this first magnetic part and the second magnetic part in this body and positioning belt, and then coordinate mould directly to carry out hot pressing, but the high temperature in hot pressing process can cause this first, two magnetic part demagnetizations and lose magnetism location function, in order to address the above problem, there is dealer to adopt resistant to elevated temperatures magnet assembly, although can overcome the demagnetization problem that high temperature causes, but prices are rather stiff for resistant to elevated temperatures magnet assembly, production cost is significantly improved, be difficult for universal use.
Summary of the invention
The object of the present invention is to provide a kind of manufacture method of burying the composite material work piece of magnet assembly in can be pinpoint.
In the present invention, bury the manufacture method of the composite material work piece of magnet assembly, comprise a stacking procedure, a heat-press step, and the step that magnetizes.
This stacking procedure is by multilayer preimpregnation nonwoven fabric layer alignment and congruence, and at least one sense magnetic assembly is placed on described preimpregnation nonwoven fabric layer, then feels superimposed multilayer preimpregnation nonwoven fabric layer on magnetic assembly in this.
This heat-press step is by described preimpregnation nonwoven fabric layer and this sense magnetic component heat pressing carried out after this stacking procedure, by the synthetic composite material work piece of described preimpregnation nonwoven fabric layer hot pressing, so that this sense magnetic assembly is embedded in this composite material work piece.
This step that magnetizes is by being energized to one group of coil, makes this group coil excitation produce magnetic field and responds to this sense magnetic assembly, makes this sense magnetic assembly magnetize and be transformed into a magnet assembly.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Preferably, the manufacture method of burying the composite material work piece of magnet assembly in aforementioned, wherein the material of this sense magnetic assembly is rare earth metal.
Preferably, the manufacture method of burying the composite material work piece of magnet assembly in aforementioned, wherein said preimpregnation nonwoven fabric layer is that carbon-fiber cloth, glass fibre are weaved cotton cloth, basalt fibre is weaved cotton cloth, or Kevlar fibers is weaved cotton cloth.
Beneficial effect of the present invention is: pass through above-mentioned steps, as long as first use sense magnetic assembly, after this composite material work piece moulding, the mode that recycling magnetizes makes to feel magnetic assembly and is transformed into magnet assembly, just can reach the effect of magnetic location, not only can overcome the problem of high temperature demagnetization, do not need to re-use expensive fire resistant magnetic assembly, and can significantly reduce production costs simultaneously.
Accompanying drawing explanation
Fig. 1 is a flow chart, buries the preferred embodiment of manufacture method of the composite material work piece of magnet assembly in explanation;
Fig. 2 is a schematic diagram, aid illustration Fig. 1.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
Consult Fig. 1, for burying the preferred embodiment of manufacture method of the composite material work piece of magnet assembly in the present invention, comprise a stacking procedure 21, a heat-press step 22, and the step 23 that magnetizes.
Consult Fig. 1 and Fig. 2, this stacking procedure 21 is by multilayer preimpregnation nonwoven fabric layer 3 alignment and congruences, and a plurality of sense magnetic assemblies 4 are placed on described preimpregnation nonwoven fabric layer 3, superimposed multilayer preimpregnation nonwoven fabric layer 3 on described sense magnetic assembly 4 again, in the present embodiment, the material of described sense magnetic assembly 4 is rare earth metal, and described preimpregnation nonwoven fabric layer 3 is that carbon-fiber cloth, glass fibre are weaved cotton cloth, basalt fibre is weaved cotton cloth, or Kevlar fibers is weaved cotton cloth.In addition, be to use a plurality of sense magnetic assemblies 4 in the present embodiment, can certainly only use a sense magnetic assembly 4 depending on actual demand, not as limit.
This heat-press step 22 is to coordinate mould (not shown) to carry out hot pressing operation with described sense magnetic assembly 4 the described preimpregnation nonwoven fabric layer 3 carrying out after this stacking procedure 21, described preimpregnation nonwoven fabric layer 3 is pressed into the composite material work piece 5 of a corresponding mould preset shape, so that described sense magnetic assembly 4 is embedded in this composite material work piece 5.
This step 23 that magnetizes is by being energized to one group of coil (not shown), makes this group coil excitation produce magnetic field and responds to described sense magnetic assembly 4, makes described sense magnetic assembly 4 magnetize and be transformed into magnet assembly 6.Because this magnetize process and this loop construction all belong to the personage who is familiar with the technology of magnetizing, can implement easily, therefore no longer repeated its details.
By above-mentioned steps, if first use sense magnetic assembly 4, after these composite material work piece 5 moulding, the mode that recycling magnetizes makes to feel magnetic assembly 4 and is transformed into magnet assembly 6, the effect that just can reach magnetic location, does not need to re-use expensive fire resistant magnetic assembly, and can significantly reduce production costs.
In sum, the present invention is by first carrying out this heat-press step 22, then carries out the mode of this step 23 that magnetizes, and just can overcome the problem of magnetic material demagnetization after high temperature, also do not need to use expensive special material simultaneously, effectively reduces production costs.
Claims (3)
1. a manufacture method of burying the composite material work piece of magnet assembly in, is characterized in that, this manufacture method comprises:
A stacking procedure, by multilayer preimpregnation nonwoven fabric layer alignment and congruence, and is placed at least one sense magnetic assembly on described preimpregnation nonwoven fabric layer, then feels superimposed multilayer preimpregnation nonwoven fabric layer on magnetic assembly in this;
A heat-press step, by described preimpregnation nonwoven fabric layer and this sense magnetic component heat pressing carried out after this stacking procedure, by the synthetic composite material work piece of described preimpregnation nonwoven fabric layer hot pressing, so that this sense magnetic assembly is embedded in this composite material work piece; And
The step that magnetizes, by being energized to one group of coil, making this group coil excitation produce magnetic field and responds to this sense magnetic assembly, makes this sense magnetic assembly magnetize and be transformed into a magnet assembly.
2. the manufacture method of burying the composite material work piece of magnet assembly according to claim 1, is characterized in that: the material of this sense magnetic assembly is rare earth metal.
3. the manufacture method of burying the composite material work piece of magnet assembly according to claim 1, is characterized in that: described preimpregnation nonwoven fabric layer is that carbon-fiber cloth, glass fibre are weaved cotton cloth, basalt fibre is weaved cotton cloth, or Kevlar fibers is weaved cotton cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010558984.7A CN102476499B (en) | 2010-11-25 | 2010-11-25 | Method for manufacturing composite workpiece with embedded magnetic components |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010558984.7A CN102476499B (en) | 2010-11-25 | 2010-11-25 | Method for manufacturing composite workpiece with embedded magnetic components |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102476499A CN102476499A (en) | 2012-05-30 |
| CN102476499B true CN102476499B (en) | 2014-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010558984.7A Expired - Fee Related CN102476499B (en) | 2010-11-25 | 2010-11-25 | Method for manufacturing composite workpiece with embedded magnetic components |
Country Status (1)
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| CN (1) | CN102476499B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1244631A (en) * | 1999-03-05 | 2000-02-16 | 上海健妮实业有限公司 | Magnetizing fuel economizer and its manufacture |
| CN1260151A (en) * | 1999-01-12 | 2000-07-19 | 兴艺制品有限公司 | Water-proof and washable magnetic button made of plastics and its making method |
| CN101623945A (en) * | 2009-08-07 | 2010-01-13 | 烟台正海汽车内饰件有限公司 | Polyurethane product and preparation method thereof and special equipment thereof |
| CN101777409A (en) * | 2010-02-11 | 2010-07-14 | 安吉司润磁性材料有限公司 | Magnetic assembly and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100568410C (en) * | 2006-03-30 | 2009-12-09 | 上海大学 | Temperature pressure binding permanent magnet material and preparation method thereof |
-
2010
- 2010-11-25 CN CN201010558984.7A patent/CN102476499B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1260151A (en) * | 1999-01-12 | 2000-07-19 | 兴艺制品有限公司 | Water-proof and washable magnetic button made of plastics and its making method |
| CN1244631A (en) * | 1999-03-05 | 2000-02-16 | 上海健妮实业有限公司 | Magnetizing fuel economizer and its manufacture |
| CN101623945A (en) * | 2009-08-07 | 2010-01-13 | 烟台正海汽车内饰件有限公司 | Polyurethane product and preparation method thereof and special equipment thereof |
| CN101777409A (en) * | 2010-02-11 | 2010-07-14 | 安吉司润磁性材料有限公司 | Magnetic assembly and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN102476499A (en) | 2012-05-30 |
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Granted publication date: 20141105 Termination date: 20161125 |